Compensation; Control - Trane IntelliPak RA 20 Installation, Operation And Maintenance Manual

S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n
Table 30. Outdoor air damper minimum ventilation control
Traq
Enabled/Active
Enabled/Active
Disabled
Disabled
Disabled
Disabled
During normal occupied periods of heating and cooling
modes of operation, the outdoor air damper maintains
ventilation requirements via the minimum position
control methods. However, the following modes of
operation will override the damper minimum position
setpoint to 0%.
• Morning Warm Up
• Pre cool
• Night Purge
72
Outdoor Air Flow Demand Control

Compensation

Ventilation
Disabled Disabled
Disabled Enabled/Active
Enabled/Active Disabled
Enabled/Active Enabled/Active
Disabled Enabled/Active
Disabled Disabled
Description
Damper controls to
outdoor air minimum flow
setpoint
Outdoor Air Flow setpoint
is reset based on space
CO .
2
Outdoor Air Damper
Minimum Position is reset
based on supply fan
speed.
Outdoor Air Damper
Minimum Position is reset
based on supply fan speed
and space CO2.
Outdoor Air Damper
Minimum Position is reset
based on space CO
2
Outdoor air damper
position is control by
• Unoccupied Heat
• Unoccupied Cool
• Off
Relief Fan and Space Static
Pressure Control
The primary role of relief fan is to relieve air from the
building to control space static pressure. This is
Outdoor Air Damper
Controlling Setpoints
Setpoint:
Outdoor Air Minimum
Flow Setpoint Active
Outdoor Air Minimum
Flow Setpoint Status
Setpoint:
Outdoor Air Minimum
Flow Setpoint Status
Settings:
Design Min Outdoor Air
Flow Setpoint
DCV Min Outdoor Air Flow
Setpoint
Setpoint:
Economizer Minimum
Position Setpoint Active
Settings:
Design Min OA Damper
Pos Setpoint Max Fan
Design Min OA Damper
Pos Setpoint Mid Fan
Design Min OA Damper
Pos Setpoint Min Fan
Setpoint:
Economizer Minimum
Position Setpoint Active
Settings:
Design Min OA Damper
Pos Setpoint Max Fan
Design Min OA Damper
Pos Setpoint Mid Fan
Design Min OA Damper
Pos Setpoint Min Fan
DCV Min Outdoor Air
Dampr Pos at Max Fan
DCV Min Outdoor Air
Dampr Pos at Min Fan
Setpoint:
Economizer Minimum
. Position Setpoint Active
Settings:
Design Min OA Damper
Position
DCV Min Outdoor Air
Damper Pos Setpoint
Setpoint:
Economizer Minimum
Position Setpoint Active
RT-SVX063E-EN